CA2860762C - Sous-flux pour un traitement en parallele de fronts d'onde dans un codage video - Google Patents

Sous-flux pour un traitement en parallele de fronts d'onde dans un codage video Download PDF

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CA2860762C
CA2860762C CA2860762A CA2860762A CA2860762C CA 2860762 C CA2860762 C CA 2860762C CA 2860762 A CA2860762 A CA 2860762A CA 2860762 A CA2860762 A CA 2860762A CA 2860762 C CA2860762 C CA 2860762C
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ctb
picture
sub
syntax element
slice
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CA2860762A1 (fr
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Ye-Kui Wang
Muhammed Zeyd Coban
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/188—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a video data packet, e.g. a network abstraction layer [NAL] unit

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)

Abstract

Un codeur vidéo indique si WPP est utilisé pour coder une image d'une séquence d'images vidéo. Si WPP est utilisé pour coder l'image, le codeur vidéo génère une unité NAL à tranche codée qui comprend une pluralité de sous-flux, dont chacun comprend une série consécutive de bits qui représente une rangée de codage de blocs d'arborescence codée (CTB) dans une tranche de l'image. Un décodeur vidéo reçoit un flux binaire comprenant l'unité NAL à tranche. En outre, le codeur vidéo peut déterminer, en fonction d'un élément de syntaxe présent dans le train de bits, si la tranche est codée à l'aide de WWP et peut décoder ladite tranche à l'aide de WWP.
CA2860762A 2012-01-18 2012-12-19 Sous-flux pour un traitement en parallele de fronts d'onde dans un codage video Active CA2860762C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261588096P 2012-01-18 2012-01-18
US61/588,096 2012-01-18
US13/718,945 2012-12-18
US13/718,945 US9749661B2 (en) 2012-01-18 2012-12-18 Sub-streams for wavefront parallel processing in video coding
PCT/US2012/070687 WO2013109383A1 (fr) 2012-01-18 2012-12-19 Sous-flux pour un traitement en parallèle de fronts d'onde dans un codage vidéo

Publications (2)

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CA2860762A1 CA2860762A1 (fr) 2013-07-25
CA2860762C true CA2860762C (fr) 2019-07-02

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CA2860840A Active CA2860840C (fr) 2012-01-18 2012-12-19 Indication d'utilisation d'un traitement en parallele de fronts d'onde dans un codage video
CA2860762A Active CA2860762C (fr) 2012-01-18 2012-12-19 Sous-flux pour un traitement en parallele de fronts d'onde dans un codage video

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CA2860840A Active CA2860840C (fr) 2012-01-18 2012-12-19 Indication d'utilisation d'un traitement en parallele de fronts d'onde dans un codage video

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US (2) US9332259B2 (fr)
EP (2) EP2805488B1 (fr)
JP (2) JP6203755B2 (fr)
KR (2) KR102057352B1 (fr)
CN (2) CN104054347B (fr)
AU (2) AU2012366143B2 (fr)
BR (2) BR112014017379B1 (fr)
CA (2) CA2860840C (fr)
ES (2) ES2952775T3 (fr)
HK (2) HK1198236A1 (fr)
IL (2) IL233321B (fr)
MY (2) MY165064A (fr)
PH (2) PH12014501528A1 (fr)
PL (1) PL2805488T3 (fr)
RU (2) RU2609073C2 (fr)
SG (3) SG11201403351VA (fr)
TW (2) TWI478588B (fr)
UA (2) UA112675C2 (fr)
WO (2) WO2013109382A2 (fr)
ZA (1) ZA201406023B (fr)

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US9749661B2 (en) 2017-08-29
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